mirror of git://git.gnupg.org/gnupg.git
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/* mischelp.h
|
|
* Copyright (C) 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
|
|
*
|
|
* This file is part of GnuPG.
|
|
*
|
|
* GnuPG is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* GnuPG is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*/
|
|
|
|
#ifndef LIBJNLIB_MISCHELP_H
|
|
#define LIBJNLIB_MISCHHELP_H
|
|
|
|
|
|
#define DIM(v) (sizeof(v)/sizeof((v)[0]))
|
|
#define DIMof(type,member) DIM(((type *)0)->member)
|
|
|
|
|
|
#if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5 )
|
|
# define JNLIB_GCC_M_FUNCTION 1
|
|
# define JNLIB_GCC_A_NR __attribute__ ((noreturn))
|
|
# define JNLIB_GCC_A_PRINTF( f, a ) __attribute__ ((format (printf,f,a)))
|
|
# define JNLIB_GCC_A_NR_PRINTF( f, a ) \
|
|
__attribute__ ((noreturn, format (printf,f,a)))
|
|
#else
|
|
# define JNLIB_GCC_A_NR
|
|
# define JNLIB_GCC_A_PRINTF( f, a )
|
|
# define JNLIB_GCC_A_NR_PRINTF( f, a )
|
|
#endif
|
|
|
|
|
|
/* To avoid that a compiler optimizes certain memset calls away, these
|
|
macros may be used instead. */
|
|
#define wipememory2(_ptr,_set,_len) do { \
|
|
volatile char *_vptr=(volatile char *)(_ptr); \
|
|
size_t _vlen=(_len); \
|
|
while(_vlen) { *_vptr=(_set); _vptr++; _vlen--; } \
|
|
} while(0)
|
|
#define wipememory(_ptr,_len) wipememory2(_ptr,0,_len)
|
|
|
|
|
|
|
|
|
|
#endif /*LIBJNLIB_MISCHELP_H*/
|